Fusion neutron detector for time-of-flight measurements in z-pinch and plasma focus experiments

• DOI: 10.1063/1.3559548
• Publication Date: 2011-03-15T17:19:48Z
• Authors: D. Klir; J. Kravarik; P. Kubes; K. Rezac; E. Litseva; K. Tomaszewski; L. Karpinski; M. Paduch; M. Scholz
• Keywords: Neutron Detection; Bonner sphere; Z-pinch; Time-of-Flight

We have developed and tested sensitive neutron detectors for time-of-flight measurements in z-pinch plasma focus experiments with emission times tens of nanoseconds yields between 106 1012 per one shot. The are composed a BC-408 fast plastic scintillator Hamamatsu H1949-51 photomultiplier tube (PMT). During the calibration procedure, PMT delay was determined various operating voltages. temporal resolution detector measured most commonly used voltage 1.4 kV. At PF-1000 focus, novel method acquisition pulse height distribution has been used. This analysis enabled to determine single sensitivity energies calibrate absolute at about 2.45 MeV.